Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo-vector-types.c Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo-vector-types.h Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo.h Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo.c Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo-smob-types.h Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo-compat.c Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo-enum-types.h Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo-compat.h Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo-smob-types.c Examining data/guile-cairo-1.10.0/guile-cairo/guile-cairo-enum-types.c FINAL RESULTS: data/guile-cairo-1.10.0/guile-cairo/guile-cairo.c:2518:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy (SCM_BYTEVECTOR_CONTENTS (buf), ptr, len); data/guile-cairo-1.10.0/guile-cairo/guile-cairo.c:2556:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy (ptr, data_ptr, len); ANALYSIS SUMMARY: Hits = 2 Lines analyzed = 5255 in approximately 0.34 seconds (15502 lines/second) Physical Source Lines of Code (SLOC) = 4040 Hits@level = [0] 0 [1] 0 [2] 2 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 2 [1+] 2 [2+] 2 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 0.49505 [1+] 0.49505 [2+] 0.49505 [3+] 0 [4+] 0 [5+] 0 Dot directories skipped = 1 (--followdotdir overrides) Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.